diff --git a/src/test/java/dk/camelot64/kickc/test/ref/fragments-assignment-unary.log b/src/test/java/dk/camelot64/kickc/test/ref/fragments-assignment-unary.log
index 2747c5943..0a68286cb 100644
--- a/src/test/java/dk/camelot64/kickc/test/ref/fragments-assignment-unary.log
+++ b/src/test/java/dk/camelot64/kickc/test/ref/fragments-assignment-unary.log
@@ -4541,7 +4541,9 @@ CANNOT SYNTHESIZE pbuc1_derefidx_vbuaa=_inc_pbuz1_derefidx_vbuc2
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuaa=_neg_pbuz1_derefidx_vbuc2
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuaa=_pos_pbuz1_derefidx_vbuc2
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuaa=_bnot_pbuc1_derefidx_vbuaa
-CANNOT SYNTHESIZE pbuc1_derefidx_vbuaa=_dec_pbuc1_derefidx_vbuaa
+pbuc1_derefidx_vbuaa=_dec_pbuc1_derefidx_vbuaa < pbuc1_derefidx_vbuxx=_dec_pbuc1_derefidx_vbuxx - clobber:X   cycles:9.0
+  tax
+  dec {c1},x
 pbuc1_derefidx_vbuaa=_inc_pbuc1_derefidx_vbuaa < pbuc1_derefidx_vbuyy=_inc_pbuc1_derefidx_vbuyy - clobber:A Y  cycles:15.5
   tay
   lda {c1},y
@@ -4941,7 +4943,8 @@ CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_inc_pbuc1_derefidx_vbuaa
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_neg_pbuc1_derefidx_vbuaa
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_pos_pbuc1_derefidx_vbuaa
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_bnot_pbuc1_derefidx_vbuxx
-CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_dec_pbuc1_derefidx_vbuxx
+*pbuc1_derefidx_vbuxx=_dec_pbuc1_derefidx_vbuxx - clobber:  cycles:7.0
+  dec {c1},x
 *pbuc1_derefidx_vbuxx=_inc_pbuc1_derefidx_vbuxx - clobber:  cycles:7.0
   inc {c1},x
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuxx=_neg_pbuc1_derefidx_vbuxx
@@ -5314,7 +5317,10 @@ CANNOT SYNTHESIZE pbuc1_derefidx_vbuyy=_inc_pbuc1_derefidx_vbuxx
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuyy=_neg_pbuc1_derefidx_vbuxx
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuyy=_pos_pbuc1_derefidx_vbuxx
 CANNOT SYNTHESIZE pbuc1_derefidx_vbuyy=_bnot_pbuc1_derefidx_vbuyy
-CANNOT SYNTHESIZE pbuc1_derefidx_vbuyy=_dec_pbuc1_derefidx_vbuyy
+pbuc1_derefidx_vbuyy=_dec_pbuc1_derefidx_vbuyy < pbuc1_derefidx_vbuaa=_dec_pbuc1_derefidx_vbuaa < pbuc1_derefidx_vbuxx=_dec_pbuc1_derefidx_vbuxx - clobber:A X   cycles:11.0
+  tya
+  tax
+  dec {c1},x
 *pbuc1_derefidx_vbuyy=_inc_pbuc1_derefidx_vbuyy - clobber:A   cycles:13.5
   lda {c1},y
   clc
@@ -5959,13 +5965,9 @@ pbuc1_derefidx_vbuz1=_bnot_pbuc1_derefidx_vbuz1 < pbuc1_derefidx_vbuz1=_bnot_pbu
   eor #$ff
   ldx {z1}
   sta {c1},x
-pbuc1_derefidx_vbuz1=_dec_pbuc1_derefidx_vbuz1 < pbuc1_derefidx_vbuz1=_dec_pbuc1_derefidx_vbuxx < vbuaa=_dec_pbuc1_derefidx_vbuxx < vbuaa=_dec_vbuaa < vbuaa=vbuaa_minus_1 - clobber:A X   cycles:19.5
+pbuc1_derefidx_vbuz1=_dec_pbuc1_derefidx_vbuz1 < pbuc1_derefidx_vbuxx=_dec_pbuc1_derefidx_vbuxx - clobber:X   cycles:10.0
   ldx {z1}
-  lda {c1},x
-  sec
-  sbc #1
-  ldx {z1}
-  sta {c1},x
+  dec {c1},x
 pbuc1_derefidx_vbuz1=_inc_pbuc1_derefidx_vbuz1 < pbuc1_derefidx_vbuyy=_inc_pbuc1_derefidx_vbuyy - clobber:A Y  cycles:16.5
   ldy {z1}
   lda {c1},y